Centerpiece



FIG. 1 is a perspective view of a centerpiece showing my new design;

FIG. 2 is a right side view of the same;

FIG. 3 is a left side view of the same

FIG. 4 is a back view of the same;

FIG. 5 is a front view of the same;

FIG. 6 is a top view of the same; and,

FIG. 7 is a bottom view of the same. 

I claim the ornamental design for a centerpiece, as shown and described. 